What is the cheapest airline that flies from Medford to Ontario?

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Medford to Ontario

What airlines fly to Ontario?

Alaska Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Ontario from Medford according to our data. Alaska Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Medford Airport to Ontario Airport?

Prices for flights from Medford Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Medford Airport to Ontario Airport?

The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of September 2025.

How old do you have to be to fly from Medford Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$115 Cheap Flights from Medford to Ontario in 2025/26

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Find the cheapest flights from Medford to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

5:24 pm - 10:41 pmMFR-ONT

5h 17m1 stop

11:48 am - 4:44 pmONT-MFR

4h 56m1 stop

$195Delta

Find Deal

Tue, Oct 21 - Tue, Oct 28

6:00 am - 11:08 amMFR-ONT

5h 08m1 stop

6:00 am - 4:44 pmONT-MFR

10h 44m2 stops

$200Delta

Find Deal

Tue, Oct 21 - Tue, Oct 28

5:48 am - 12:37 pmMFR-ONT

6h 49m1 stop

6:00 am - 11:30 amONT-MFR

5h 30m1 stop

$258Hawaiian Airlines

Find Deal

Tue, Oct 21 - Tue, Oct 28

2:13 pm - 5:49 pmMFR-ONT

3h 36m1 stop

1:53 pm - 8:29 pmONT-MFR

6h 36m1 stop

$259United Airlines

Find Deal

Sat, Oct 11 - Tue, Oct 14

2:41 pm - 12:03 amMFR-ONT

9h 22m1 stop

7:43 pm - 11:16 amONT-MFR

15h 33m1 stop

$260Alaska Airlines

Find Deal

Fri, Oct 10 - Tue, Oct 14

12:39 pm - 5:09 pmMFR-ONT

4h 30m1 stop

6:00 am - 11:30 amONT-MFR

5h 30m1 stop

$262Alaska Airlines

Find Deal

Thu, Nov 6 - Fri, Nov 14

2:13 pm - 5:40 pmMFR-ONT

3h 27m1 stop

1:53 pm - 8:29 pmONT-MFR

6h 36m1 stop

$265United Airlines

Find Deal

Fri, Oct 10 - Tue, Oct 14

2:35 pm - 8:53 pmMFR-ONT

6h 18m1 stop

6:00 am - 1:58 pmONT-MFR

7h 58m1 stop

$291Hawaiian Airlines

Find Deal

Sat, Nov 8 - Mon, Nov 10

5:19 am - 12:01 pmMFR-ONT

6h 42m1 stop

6:15 am - 1:15 pmONT-MFR

7h 00m1 stop

$298American Airlines

Find Deal

Sat, Oct 11 - Tue, Oct 14

5:30 am - 11:56 amMFR-ONT

6h 26m1 stop

6:15 am - 1:15 pmONT-MFR

7h 00m1 stop

$337American Airlines

Find Deal

Sat, Oct 4 - Thu, Oct 9

Delta flights from Medford to Ontario

Our best Delta deals on Medford to Ontario flight tickets

Delta

Oct 21

MFR5:24 pmMedford

5h 17m

1 stop

ONT10:41 pmOntario

Oct 28

ONT11:48 amOntario

4h 56m

1 stop

MFR4:44 pmMedford

$195

Find similar

Delta

Oct 21

MFR6:00 amMedford

5h 08m

1 stop

ONT11:08 amOntario

Oct 28

ONT6:00 amOntario

10h 44m

2 stops

MFR4:44 pmMedford

$200

Find similar

Delta

Oct 21

MFR11:35 amMedford

12h 04m

2 stops

ONT11:39 pmOntario

Oct 28

ONT1:15 pmOntario

9h 35m

2 stops

MFR10:50 pmMedford

$205

Find similar

United Airlines flights from Medford to Ontario

Our best United Airlines deals on Medford to Ontario flight tickets

United Airlines

Oct 11

MFR2:13 pmMedford

3h 36m

1 stop

ONT5:49 pmOntario

Oct 14

ONT1:53 pmOntario

6h 36m

1 stop

MFR8:29 pmMedford

$259

Find similar

United Airlines

Oct 10

MFR2:13 pmMedford

3h 27m

1 stop

ONT5:40 pmOntario

Oct 14

ONT1:53 pmOntario

6h 36m

1 stop

MFR8:29 pmMedford

$265

Find similar

United Airlines

Oct 9

MFR2:13 pmMedford

3h 27m

1 stop

ONT5:40 pmOntario

Oct 13

ONT6:27 pmOntario

26h 39m

1 stop

MFR9:06 pmMedford

$390

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 10/21

5:24 pm-10:41 pm

1 stop5h 17m

Ontario

Tue 10/28

11:48 am-4:44 pm

1 stop4h 56m

$195

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 10/21

6:00 am-11:08 am

1 stop5h 08m

Ontario

Tue 10/28

6:00 am-4:44 pm

2 stops10h 44m

$200

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 10/21

5:48 am-12:37 pm

1 stop6h 49m

Ontario

Tue 10/28

6:00 am-11:30 am

1 stop5h 30m

$258

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 10/11

2:13 pm-5:49 pm

1 stop3h 36m

Ontario

Tue 10/14

1:53 pm-8:29 pm

1 stop6h 36m

$259

MedfordOntario

MFR - ONT

MFRONT

Medford

Fri 10/10

2:41 pm-12:03 am

1 stop9h 22m

Ontario

Tue 10/14

7:43 pm-11:16 am

1 stop15h 33m

$260

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 11/6

12:39 pm-5:09 pm

1 stop4h 30m

Ontario

Fri 11/14

6:00 am-11:30 am

1 stop5h 30m

$262

MedfordOntario

MFR - ONT

MFRONT

Medford

Fri 10/10

2:13 pm-5:40 pm

1 stop3h 27m

Ontario

Tue 10/14

1:53 pm-8:29 pm

1 stop6h 36m

$265

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 11/8

2:35 pm-8:53 pm

1 stop6h 18m

Ontario

Mon 11/10

6:00 am-1:58 pm

1 stop7h 58m

$291

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 10/11

5:19 am-12:01 pm

1 stop6h 42m

Ontario

Tue 10/14

6:15 am-1:15 pm

1 stop7h 00m

$298

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 10/4

5:30 am-11:56 am

1 stop6h 26m

Ontario

Thu 10/9

6:15 am-1:15 pm

1 stop7h 00m

$337

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Medford to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, June is the cheapest month to fly from Medford to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $310. If you aren’t able to travel during the month of June, then book flights to Ontario from Medford during May instead. Flights to Ontario in May, while not as cheap as those in June, still average around $314.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $288. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Medford to Ontario for around $386.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Medford to Ontario when you can find flight prices for as low as $311. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $407 on average. Flights to Ontario from Medford at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Medford to Ontario flight prices changed over time?

When to book flights from Medford to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Medford to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Medford to Ontario (MFR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Medford to Ontario

Direct flights	None

There are no direct flights from Medford to Ontario. There are no popular flight routes from Medford to Ontario.

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How far is Medford to Ontario by plane?
The distance between Medford and Ontario is about 636.8 mi. Typically, this will take 3h 27m by plane in normal conditions.
When did momondo last update prices for flights from Medford Airport to Ontario Airport?
Prices for flights from Medford Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Medford Airport to Ontario Airport?
The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of September 2025.
How old do you have to be to fly from Medford Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Medford to Ontario?
momondo data reveals that the most frequently booked airline on the route from Medford to Ontario is United Airlines, representing 58% of all bookings. The subsequent popular airlines are Alaska Airlines at 28% and Delta at 14%.

Best airlines flying from Medford to Ontario

Compare and see reviews for airlines that fly from Medford to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $218	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
Alaska Airlines	PriceFrom $237	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $242	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Medford to Ontario?

It is quick and easy to find Medford to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Medford to Ontario with flexible booking policies on momondo?

All flight searches from Medford to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Medford to Ontario?

momondo helps you find the best flight between Medford and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Medford to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Medford and alert you when they change.